Roll ANGLE from fc8f5e0ae349 to 5291cbadc02e (4 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/fc8f5e0ae349..5291cbadc02e

2020-10-09 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from fc8264854c53 to c2553a315f5c (5 revisions)
2020-10-09 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 952149303d06 to 51b03d58fb17 (2 revisions)
2020-10-09 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from 24184fe81c6f to 0046c31f2f96 (2 revisions)
2020-10-09 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from dc8a96d60b6b to 14ad927e679a (2 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC timvp@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: timvp@google.com
Change-Id: Ie07de8a8d7936e8df3d05bc86b5a60d8aadb5cb2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462576Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#815621}

DEPS

@@ -207,7 +207,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'fc8f5e0ae349ca97069fc370bbc4a45a4d96f86e',
+  'angle_revision': '5291cbadc02e4473701f540e656f29c3ded7b387',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.